Question

c=6x-4y
If I were to plug in points.. would it look something like this?

Answer 1

c = 6(0,0)(5,0) - 4(0,3) ?

Here's the link for the intersection points for the following question.
https://www.desmos.com/calculator/ygtpnkixcp

Answer 2

Given the system of constraints, name all vertices of the feasible region. Then find the maximum value of the given objective function.
x>=0
y>=0
y<=1/3x+3
5>=y+x
Objective Function: C = 6x – 4y